Results 21 to 30 of about 181,545 (263)
Computers, 2023 Feature selection is a crucial step in machine learning, aiming to identify the most relevant features in high-dimensional data in order to reduce the computational complexity of model development and improve generalization performance.
László Göcs, Zsolt Csaba Johanyák
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Portfolio Management Framework for Autonomous Stock Selection and Allocation
IEEE Access, 2022 Portfolio management is essential to reduce risks and maximize profits. It can be classified into two processes: stock selection and allocation. Stock selection identifies stocks with high expected profits, whereas stock allocation determines the ...
Jae-Seung Kim, Sang-Ho Kim, Ki-Hoon Lee
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Variable ranking and selection with random forest for unbalanced data
Environmental Data Science, 2022 When one or several classes are much less prevalent than another class (unbalanced data), class error rates and variable importances of the machine learning algorithm random forest can be biased, particularly when sample sizes are smaller, imbalance ...
Ute Bradter +5 more
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A New Method for Project Ranking Based on Risk Management and Multicriteria Approach [PDF]
European Project Management Journal, 2020 Project portfolio selection and projects ranking represent difficult decisions in organizations due to many factors. One of the most important of these factors is varying levels of projects risk.
Mahdi Nakhaeinejad
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Toward optimal feature selection using ranking methods and classification algorithms [PDF]
Yugoslav Journal of Operations Research, 2011 We presented a comparison between several feature ranking methods used on two real datasets. We considered six ranking methods that can be divided into two broad categories: statistical and entropy-based.
Novaković Jasmina +2 more
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Automatic vowels selection and ranking in Russian enciphered texts
Открытое образование (Москва), 2018 This work was developed while teaching students the cryptanalysis. The course includes the study of statistics of (Russian encrypted) texts. The purpose of training is to learn how to extract redundant information of the text and to descript the ...
Yuri I. Petrenko
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Medien & Kommunikationswissenschaft, 2015 This study examines the selection behaviour of people using search engines. Most of the time, search engines are the key to researching information online.
Alexander Haas, Julian Unkel
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IEEE Access, 2021 Cloud service selection and ranking are two different but related important tasks in the realm of cloud computing. Given the rapid growth in the number of available services offered by cloud providers with different quality of service, these tasks are ...
Abdulaziz Alashaikh, Eisa Alanazi
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Benchmarking criteria for evaluating third-party logistics providers in South Africa
Journal of Transport and Supply Chain Management, 2017 Background: In South Africa, deemed the ‘gateway to Africa’, there is limited evidence of the existence of a survey ranking third-party logistics providers (3PLs).
Claudia Karrapan +3 more
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A study of oil and gas producers subsector portfolio using the trade-off ranking method [PDF]
Yugoslav Journal of Operations ResearchIn the topic of stock selection, numerous multi-criteria decision-making (MCDM) techniques have been applied to handle selection difficulties. This paper proposes a compromise approach for the subsector stocks of oil and gas companies, motivated by the ...
Ibrahim Muhammad Akram Ramadhan +2 more
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